content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.util;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class OpenHashSetTest {
  
      @Test
      public void duplicates() {
          OpenHashSet<Integer> set = new OpenHashSet<>(4);
          for (int i = 0; i < 200; i++) {
              assertTrue(set.add(i));
              assertFalse(set.add(i));
          }
          for (int i = 0; i < 200; i++) {
              assertTrue(set.remove(i));
              assertFalse(set.remove(i));
          }
      }
  
  }
  